Gold-filled is constructed in two or three layers. The core metal is jewelers’ brass. A gold alloy is then bonded to one or both surfaces of the brass core with heat and pressure. Unlike plated (aka electroplated or "dipped") metals, Gold-filled is legally required to contain 5% or 1/20 gold by weight. This 5% is then described by the karatage of the gold alloy. Our Gold-filled items are 14kt gold-filled. 14k Gold-filled products are identified as 14/20 Gold-filled; alternatively, 14kt Gold-Filled is also acceptable.